Open
Cached
·
just now
96/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=duplika.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
April 06, 2026
Valid Until
July 06, 2026
59 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
C5:70:86:BA:83:FD:B3:39:AE:71:E0:09:03:A6:9F:FA:62:ED:2D:3C:B8:42:89:0A:88:31:73:82:2F:39:BB:50
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
Warnings
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
geolocation=(), microphone=(), camera=(); +9 more
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
pki.goog
; cansignhttpexchanges=yes
ssl.com
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
Wildcard CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 5 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts